Ashley's Screensaver Hotspots lets you specify corners of your screen to act as screensaver on/off hotspots
Ashley's Screensaver Hotspots version 1.7
Here is a freeware system tray utility that lets you specify corners of your screen to act as screensaver on/off hotspots. The graphical interface for setting your corner preferences makes this little utility easy to use. Choose to have it active or not on startup and to optionally run your screensaver on startup. Unlike many other such hotspot utilities, this one is free.
* Works in Win9x and WinNT
* Activate/Disable with one click on tray icon
* Specify your hotspot corner choices with clear graphical interface
* Choose or modify screensaver from within program
http://www.dominocs.com/Freeware/